Devices for advancing the starting of cold internal combustion engines



Apnfi 23, 1968 M. FRISCH 3,379,185

DEVICES FOR ADVANCING THE STARTING OF GOLD INTERNAL COMBUSTION ENGINESFiled May 10, 1966 2 Sheets-Sheet 1 April 23, 1968 FRlSCH DEVICES FORADVANCING THE STARTING OF 001,1)

INTERNAL COMBUSTION ENGINES 2 Sheets-Sheet 2 Filed May 10, 1966 UnitedStates Patent 3,379,185 DEVICES FOR ADVANCING THE STARTING 0F COLDINTERNAL COMBUSTION ENGINES Maurice Frisch, 24 Parc de lIle Verte, 78Clinton, France Filed May 10, 1966, Ser. No. 548,951 Claims priority,application France, July 19, 1965, 25,177/ 65 4 Claims. (Cl. 123-180)The present invention rel-ates to devices for advancing the starting ofcold internal combustion engines, more particularly to the devices whichenable the injection of a starting fluid, preferably under an atomizedform within the air intake of these engines.

Devices are known for injecting a starting fluid in an aperture of theair intake parts of an engine, for instance, in the engine air filter orin the conduit connecting the filter and the carburettor, or further, inthe air intake collector, such devices comprising a can containing thestarting fluid under pressure and having in its upper part a valve theopening of which is controlled through a push-button comprising anatomization orifice or nozzle for emitting this fluid in the form of anaerosol jet.

In the case, for instance, where the engine of a car must be startedunder cold atmospheric conditions, the user must open the hood in orderto carry out the atomization of the above aerosol in the air intakeparts of the engine, in most instances in its air filter, prior toentering his car and actuating the starter. A great portion of the fluidinjected in the air intake of the engine, however, is lost during theshort period of time separating the atomization operation and thestarting operation itself.

In order to overcome such drawbacks, it has been proposed to separatethe injection nozzle from the valve, to mount the valve within theportion of the air intake part of the engine where the aerosol injectionis to be effected and to connect it to the valve of the can which,itself, is secured to the body of the vehicle, for instance to thedash-board, within the hand-reach of the driver when the latter sitsbehind the steering-wheel of the vehicle, the valve being then actuatedthrough a handle which is equally articulated on a part of the car body.

However, in such remote controlled devices, the can, its valve as wellas the actuating member of the valve are not protected againstinopportune actuations which then produce a useless waste of startingfluid and, above all, endanger the engine by subjecting it to highover-pressures. Further the use of such devices is limited to largevehicles, such as trucks, which have space available, for instance onthe dash-board, for the fixation of the above elements of said devices.

The object of the invention is, principally, to improve the remotecontrolled injection devices of a starting fluid in the air intake of anengine, in connection with their absolute security against inopportuneoperation of the injection.

Another object of the invention is to provide a remote controlleddevice, the construction and use of which are very simple, whileextremely eflicient, and which is likely to be used even on small cars.

The invention consists, essentially, in connecting through a flexiblepipe the outlet means of a can containing a starting fluid underpressure and comprising a valve and a push-button overlying said valvefor controlling the operation thereof, through a downward pressure so asto release the fluid under pressure from said can, with an injectionnozzle rigidly mounted in the area of the air intake parts of the enginewhere the atomization should take place, said can being furtherassociated with a protective cap adapted to be movably fit on said can(closure position), so as to cover said push-button in order to protectit against any inopportune actuation,

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this cap further comprising an aperture in its wall for the loosepassage therethrough of said flexible connection pipe so that, when saidcap is removed from the above closure position, it remains retained onsaid flexible pipe in a non-losable manner, thus always withinhandreach, while it enables actuation of said push-button.

The other objects of the invention will appear as the descriptionproceeds in connection with the appended drawings of a preferred thoughnon limitative embodiment of this invention and in which:

FIG. 1 is a diagrammatic perspective view of the whole device accordingto the above preferred embodiment.

FIG. 2, 2a, and 3 respectively, are perspective views of details of saidembodiment.

FIG. 4 is a section of an illustrated embodiment of the valve used inthe device according to the invention.

The device represented in the drawing shows the remote control of theinjection of starting fluid in the air intake of the cold engine of acar which should be started. It comprises a can containing startingfluid under pressure and which carries in its upper portion, a valve 2(an embodiment of which will be described hereafter with more details inconnection with FIG. 4),-a push-button 3 normally overlying this valveand provided with a tubular stub 4 (FIG. 4) serving as an outletfor thestarting fluid released from the can upon opening of the valve through adownward pressure on said push-button 3. The tubular stub 4 engages oneextremity of a flexible pipe 6, advantageously of a plastic material,the other extremity of which is connected to an injection nozzle 7 (FIG.3) secured in the wall 8, for instance of the air filter of the engine.The length and diameter of the flexible pipe are determined such thatthe totality of the starting fluid released by the valve, whenpush-button 3 is actuated, be injected into said air filter so that onlyfresh starting fluid be delivered upon another subsequent actuation ofsaid push-button.

By way of example, it can be mentioned that a flexible plastic pipehaving a 5 feet length and an 0.06 inch diameter is of convenient use.The flexible connection pipe passes advantageously in a hole 18 providedin the dash-board 17, for instance within the glove box, of the car.

The device according to the invention, further comprises a cap 9provided with an aperture 11 permitting the loose passage of theflexible pipe 6, this cap 9 being adapted to engage a flanged portion 12of the cam in order to protect the push-button 3 when the engine isstopped or during its normal operation.

It will be readily appreciated that this very simple device provides acomplete security against inopportune emission of starting fluid in thecylinder of the engine thanks to, on the one hand, the lack of any rigidfixation to the car body, of the can, the valve and the actuating memberof this valve which are thus protected from the vibrations of the engineand, on the other hand, to the non-losable cap 11 which, when closingthe valve controlled outlet of the can, etficiently protects thepush-button 3 of any external contact, in particular, from accidentalstriking by a neighbouring object.

The device according to the invention is not only very secure, but is ofa particularly simple use. It can be reached by the driver when thelatter sits behind the steering-wheel and can be actuated simultaneouslywith the actuation of the starter of the engine whereby the fluidreleased by the can is immediately and completely used for advancing thestarting of the engine as soon as it enters in the air filter.

Further, this device can be placed anywhere in the car, for instance inthe glove box of the car.

The push-button may be contrived in any appropriate form suitable to beassociated with the current types of valves used in connection with suchcans. The two principal types of valves are represented in FIG. 2wherein the push-button 3 comprises a member 17 adapted to be slidablyfit within the aperture 14 of the valve, and in FIG. 2a (in which thesame elements are designated by the same reference numerals) wherein thepush-button 3a comprises a cavity 15 adapted to engage with a protrudingoutlet tubular stub 16 integral with the valve.

As shown, more particularly in FIG. 4, the push-button 3 (correspondingto the one shown in- FIG. 2) comprises a central channel 13 connectingthe valve controlled outlet of the can and the tubular stub 4, so as todirectly forward the fluid released from the can into said flexible pipe6, push-button 3 being advantageously mounted in frictional engagementwith an internal flanged portion of the valve 2.

In connection with the injection nozzle 7 which tits into the oppositeextremity of the flexible pipe 6, it is, for instance provided in thewall 8 of the air filter through a fastening device comprising athreaded portion secured within said wall by nuts 16.

While the invention has been described in connection with a particularpreferred embodiment, it will be understood that the invention is notlimited to that embodiment, but is intended to encompass allalternatives, modifications and equivalents as may be properly includedwithin the spirit and scope of the invention as defined by the appendedclaims.

What I claim is:

1. A device for advancing the starting of the cold internal combustionengine of a vehicle which comprises in 30 combination a nozzle rigidlymounted in the air intake of said engine, a can containing a startingfluid under pres- 4 1 sure, outlet means for said fluid carried by saidcan, a valve controlling the release of said fluid under pressure fromsaid can through said outlet means and a member for actuating said valveboth carried by said can, a flexible pipe connecting said outlet meansto said nozzle, a cap adapted to protect said actuating member and saidoutlet means movably fit in its closure position on said can andapertured to permit the loose passage therethrough of said flexibleconnection pipe, whereby said cap, in its closure position, protectssaid valve against any inopportune actuation, and, when removed fromsaid closure position, is retained in a non-1osable manner on saidflexible connection pipe.

2. A device according to claim 1 wherein said valve actuating means areconstituted by a push-button overlying said valve, said outlet meansbeing provided in said push-button and comprising a tubular stubprojecting outside from said push-button and engaging one extremity ofsaid flexible pipe.

3. A device according to claim 2 wherein said pushbutton is mounted infrictional engagement with an external portion of said valve.

4. A device according to claim 1 wherein said nozzle is rigidly securedwithin the wall of -the air filter of said engine.

References Cited UNITED STATES PATENTS LAURENCE M. GOODRIDGE, PrimaryExaminer.

1. A DEVICE FOR ADVANCING THE STARTING OF THE COLD INTERNAL COMBUSTIONENGINE OF A VEHICLE WHICH COMPRISES IN COMBINATION A NOZZLE RIGIDLYMOUNTED IN THE AIR INTAKE OF SAID ENGINE, A CAN CONTAINING A STARTINGFLUID UNDER PRESSURE, OUTLET MEANS FOR SAID FLUID CARRIED BY SAID CAN, AVALVE CONTROLLING THE RELEASE OF SAID FLUID UNDER PRESSURE FROM SAID CANTHROUGH SAID OUTLET MEANS AND A MEMBER FOR ACTUATING SAID VALVE BOTHCARRIED BY SAID CAN, A FLEXIBLE PIPE CONNECTING SAID OUTLET MEANS TOSAID NOZZLE, A CAP ADAPTED TO PROTECT SAID ACTUATING MEMBER AND SAIDOUTLET MEANS MOVABLY FIT IN ITS CLOSURE POSITION ON SAID CAN ANDAPERTURED TO PERMIT THE LOOSE PASSAGE THERETHROUGH OF SAID FLEXIBLECONNECTION PIPE, WHEREBY SAID CAP, IN ITS CLOSURE POSITION, PROTECTSSAID VALVE AGAINST ANY INOPPORTUNE ACTUATION, AND, WHEN REMOVED FROMSAID CLOSURE POSITION, IS RETAINED IN A "NON-LOSABLE" MANNER ON SAIDFLEXIBLE CONNECTION PIPE.